The ventilation requirement for dwellings is defined in part F of the Irish building regulations.

The key requirements and recommendations may be summarised as follows:

The indoor sir quality (IAQ) must not be a threat to the health of the people using the building. Sufficent ventilation must be provided to ensure that the moisture content and concentration of pollutants does not reach harmful levels.

Extraction of air will be required from kitchens, bathrooms and other areas where water vapour is generated. Harmful pollutants must also be removed from areas